Brentwood Colony weather by month
What a typical year looks like in Brentwood Colony, South Dakota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Faulkton, 20 km from Brentwood Colony; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 22 in559 mm
- Snow a year
- 44 in111 cm
- Last spring freeze
- May 11
- First fall freeze
- Sep 29
- Heating degree days
- 8,205
- Cooling degree days
- 587
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −16°−27° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Brentwood Colony in January
Highs average 24°−4° and lows 4°−15°, with 0.67 in17 mm of precipitation and 8 in19 cm of snow in a typical January.
- Record high
- 66°19° (1981)
- Record low
- −41° (1912)
- Heating degree days
- 1575
- Cooling degree days
- 0
Brentwood Colony in February
Highs average 29°−2° and lows 8°−13°, with 0.8 in20 mm of precipitation and 9 in24 cm of snow in a typical February.
- Record high
- 71°22° (1958)
- Record low
- −39° (1895)
- Heating degree days
- 1306
- Cooling degree days
- 0
Brentwood Colony in March
Highs average 41°5° and lows 19°−7°, with 1 in26 mm of precipitation and 7 in17 cm of snow in a typical March.
- Record high
- 86°30° (1946)
- Record low
- −28°−33° (1962)
- Heating degree days
- 1080
- Cooling degree days
- 0
Brentwood Colony in April
Highs average 56°13° and lows 31°0°, with 2 in51 mm of precipitation and 7 in18 cm of snow in a typical April.
- Record high
- 98°37° (1980)
- Record low
- −7°−22° (1975)
- Heating degree days
- 643
- Cooling degree days
- 1
Brentwood Colony in May
Highs average 68°20° and lows 44°6°, with 3.2 in82 mm of precipitation in a typical May.
- Record high
- 109°43° (1934)
- Record low
- 14°−10° (1981)
- Heating degree days
- 303
- Cooling degree days
- 22
Brentwood Colony in June
Highs average 78°26° and lows 54°12°, with 3.6 in91 mm of precipitation in a typical June.
- Record high
- 111°44° (1988)
- Record low
- 29°−2° (1901)
- Heating degree days
- 70
- Cooling degree days
- 106
Brentwood Colony in July
Highs average 85°29° and lows 59°15°, with 2.7 in70 mm of precipitation in a typical July.
- Record high
- 114°46° (1934)
- Record low
- 35°2° (1971)
- Heating degree days
- 16
- Cooling degree days
- 219
Brentwood Colony in August
Highs average 83°28° and lows 57°14°, with 2.7 in68 mm of precipitation in a typical August.
- Record high
- 113°45° (1965)
- Record low
- 33°1° (1893)
- Heating degree days
- 28
- Cooling degree days
- 179
Brentwood Colony in September
Highs average 74°24° and lows 47°8°, with 2 in52 mm of precipitation in a typical September.
- Record high
- 106°41° (1945)
- Record low
- 15°−9° (1951)
- Heating degree days
- 181
- Cooling degree days
- 56
Brentwood Colony in OctoberThis month
Highs average 59°15° and lows 34°1°, with 1.9 in47 mm of precipitation and 0.9 in2.3 cm of snow in a typical October.
- Record high
- 96°36° (1963)
- Record low
- −8°−22° (1919)
- Heating degree days
- 583
- Cooling degree days
- 4
Brentwood Colony in November
Highs average 42°6° and lows 21°−6°, with 0.78 in20 mm of precipitation and 3 in9 cm of snow in a typical November.
- Record high
- 82°28° (1990)
- Record low
- −25°−32° (1896)
- Heating degree days
- 1006
- Cooling degree days
- 0
Brentwood Colony in December
Highs average 29°−2° and lows 10°−12°, with 0.57 in14 mm of precipitation and 9 in22 cm of snow in a typical December.
- Record high
- 68°20° (1939)
- Record low
- −35°−37° (1990)
- Heating degree days
- 1414
- Cooling degree days
- 0